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SUMMARY:&quot\;O Volvox\, how dost thou turn thyself inside out?&quot\; - 
 Pierre Haas (DAMTP)
DTSTART:20151106T150000Z
DTEND:20151106T160000Z
UID:TALK62143@talks.cam.ac.uk
CONTACT:Christian Lund
DESCRIPTION:Deformations of cell sheets pervade early animal development\,
  but they arise from an intricate interplay of cell shape changes\, cell\n
 migration\, cell intercalation\, and cell division. We explore this interp
 lay of geometry and elasticity in what is perhaps the simplest instance of
  cell sheet folding: the "inversion" process in the green alga Volvox\, wh
 ose embryos\, in a process hypothesised to be driven by cell shape changes
  alone\, must turn themselves inside out to complete their development. An
  elastic model\, in which cell shape changes correspond to local variation
 s of intrinsic curvature and stretches of an elastic shell\, reproduces th
 e dynamics and sheds light on the underlying mechanics of inversion.
LOCATION:MR13
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